Five advantages of precipitated barium sulfate in plastics
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- Time of issue:2021-09-06
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(Summary description)Precipitated barium sulfate is used as a plastic filler to strengthen and strengthen the plastic, increase the flexural strength and flexural modulus of the plastic, heat deformation temperature and dimensional coordination, and also endow the plastic with heat hysteresis. Nano calcium carbonate used in ink products shows excellent dispersibility and transparency, excellent gloss, and excellent ink absorption and dryness.
Five advantages of precipitated barium sulfate in plastics
(Summary description)Precipitated barium sulfate is used as a plastic filler to strengthen and strengthen the plastic, increase the flexural strength and flexural modulus of the plastic, heat deformation temperature and dimensional coordination, and also endow the plastic with heat hysteresis. Nano calcium carbonate used in ink products shows excellent dispersibility and transparency, excellent gloss, and excellent ink absorption and dryness.
- Categories:Company News
- Author:
- Origin:
- Time of issue:2021-09-06
- Views:0
Precipitated barium sulfate is used as a plastic filler to strengthen and strengthen the plastic, increase the flexural strength and flexural modulus of the plastic, heat deformation temperature and dimensional coordination, and also endow the plastic with heat hysteresis. Nano calcium carbonate used in ink products shows excellent dispersibility and transparency, excellent gloss, and excellent ink absorption and dryness. Nano calcium carbonate is used as ink filler in resin-based ink, which has the characteristics of good coordination, high gloss, and does not affect the drying performance of printing ink. It has strong adaptability and so on.
One, reduce costs
Generally, barium sulfate fillers are cheaper than resins, so adding fillers can greatly reduce the cost of plastics, and has significant economic benefits. This is also the main reason why plastic filling modification is widely used.
Two Improve the heat resistance of plastics
Generally, the heat resistance of plastics is low, such as ABS, its long-term use temperature is only about 60 ℃, and most of the fillers are classified as inorganic substances, and the heat resistance is high. Therefore, the addition of these fillers to the plastic can significantly improve the plastic's performance. Heat resistance. Another example is PP. When it is not filled, its heat distortion temperature is around 110°C, and after filling with 30% talc, its heat distortion temperature can be increased to over 130°C.
Third, improve the molding processability of plastics
Some fillers can improve the processability of plastics, such as barium sulfate, glass beads, etc., can improve the fluidity of the resin, and then can improve its processability.
Fourth, improve the dimensional stability of plastic products
Some plastic crystals are shortened greatly, resulting in a large shortening rate of the product, which is more easily deformed after coming out of the mold, and the size is unstable; after adding barium sulfate filler, the shortening rate of the plastic can be greatly reduced, and the dimensional stability of plastic products and parts can be further improved. .
Five, improve the strength of plastics
The tensile strength of general-purpose plastics is not high. After adding inorganic fillers, the tensile strength and bending strength of the plastics can be improved within the appropriate range of the filling amount, and then the engineering applicability of the plastics can be improved.
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